Acer Smart Touch Kit II User Manual page 23

Tuning Webcam Image Mode: The projection image captured by camera will
be shown in the software interface. Adjust the projection image inside the red
frame according to the camera debugging requirement.
Tuning Laser Transmitter Image Mode: In this mode, emitter emits a set of
invisible laser film 4mm above the whiteboard, and the beam should be
parallel with the whiteboard. The light spot size should not be less than 9 pixels
when you use finger to touch 4 corners.
Normal Usage Image Mode: After the calibration, all operations can be done
by the finger instead of the mouse.
Mouse: click mouse, then you can only do single touch in Windows.
Touch Pad: click touch pad, then you can do multi-touch in Windows.
Touch Pad Aspect Ratio: The default mode is auto selected. When the
deviation of touch pad accuracy is more than 3cm, you can try following 3
aspect ratios (16:9, 16:10, 4:3) to rectify it.
Update Firmware: Don't use it in normal use conditions. When you see an
abnormal image in camera mode, such as black screen, white screen, etc,
please contact our technical support for guidance.
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